454 Marine Exhaust Manifold,Automotive Parts And Accessories: MERCRUISER EXHAUST MANIFOLD GM BIG BLOCK (CAST...

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454 Marine Exhaust Manifold Popular Q&A

Q: How to Install Marine Exhaust Manifolds.
A: 1. Clean the machined mounting surfaces on the engine head and the manifold. Remove any lingering bits of old gasket material or corrosion with a scraper. 2. Sl... Read More »

Q: How to Install Marine Exhaust Manifold Gaskets.
A: 1. Be certain you have the correct gaskets for the exhaust system for your motor. Identify the gasket set by the motor model number. 2. Use a wrench to remove t... Read More »

Q: What exhaust manifolds will fit a 1981 El Camino with a big block...
A: pretty much any 454 exhaust manifold will fit. Read More »

Q: What would make the exhaust manifolds get cherry red on a 454 eng...
A: severe timing (ignition and or valve timing) retard will cause this. Excessive heat, but what would cause that I don't know. Read More »

Q: What exhaust manifold do i use for a 454 to put in an 1987 camaro...
A: Block hugging shorty headers like from Hooker or Sanderson work well. Read More »

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